• Hart Energy Conferences speaker Jack Belcher

    Jack Belcher

    Cornerstone Government Affairs

    Jack Belcher has over 30 years of experience in energy and energy policy. Jack is a Principal at Cornerstone where he provides strategic and tactical advice to energy and transportation companies and financial institutions, focusing on government relations, regulatory affairs, public policy, strategic communications, situational risk management, and Environmental, Social, and Governance (ESG) performance. He also is also the vice president and co-founder of the Center for ESG & Sustainability. Jack previously served regulatory affairs and policy manager for Shell North America’s Exploration & Production Division, and staff director for the U.S. House of Representatives Subcommittee on Energy and Mineral Resources. Jack also previously worked for the Independent Petroleum Association of America, Hart Energy Publications, and Texaco Gas Marketing Inc. Jack holds a B.A. in Government from The University of Texas at Austin. He is certified by the Task Force on Climate-Related Financial Disclosures and the Sustainable Accounting Standards Board. 

  • Hart Energy Conferences speaker Allyson Book

    Allyson Anderson Book

    Baker Hughes Co.
    Vice President, Energy Transition

    Allyson Anderson Book is vice president of energy transition for Baker Hughes. In this role she oversees Baker Hughes’ energy-transition strategy and works to develop new energy products and services that help lower carbon emissions while meeting the world’s growing energy needs.

    In 2021 alone, she was recognized by Petroleum Economist as among Top 10 Women Leading Energy Transition in Sustainability, by Oil & Gas Investor as among 25 Influential Women in Energy, and by Hart Energy for its ESG Champion of Year Award.

    Before joining Baker Hughes she served as the executive director of the American Geosciences Institute, which represents more than 250,000 geoscientists and focuses on increasing public awareness of the role geosciences play in society’s use of resources. Prior to that, she held a number of academic, policy and senior government positions, including teaching at Georgetown University, working for the U.S. Senate Energy and Natural Resources Committee and serving as the associate director of strategic engagement of the Bureau of Safety and Environmental Enforcement (BSEE) at the U.S. Department of the Interior. She began her career as a geoscientist for ExxonMobil.

    She holds bachelor’s degrees in geology and music from the University of Northern Iowa, and a master’s degree in geology from Indiana University-Purdue University Indianapolis.

  • Amanda Brock Women In Energy 2020 Honoree

    Amanda Brock

    Aris Water Solutions

    Amanda Brock is the Chief Executive Officer of Aris Water Solutions and has spent her career focused in the global oil and gas, power and water sectors. Before joining Aris Water Solutions, Amanda was CEO of Water Standard, a water treatment company focused on desalination and produced water treatment and recycling in both the upstream and downstream energy industry. Previously, Amanda was President of the Americas for Azurix and was responsible for developing water infrastructure and services in the Americas. Prior to that, she was President of Enron Joint Venture Management, managing Enron’s global power assets and related partnerships.

    Amanda serves on the boards of Cabot Oil & Gas, Macquarie Infrastructure Corporation, and is the incoming chair of the Texas Business Hall of Fame. She previously served on the Board of Trustees of LSU Law School, and the Texas Water Commission. She was named one of the 25 most influential Women in Energy by Hart Energy's Oil and Gas Investor Magazine in 2020. In 2016 she was recognized as one of the top 25 leaders in water globally and as a Texas Honoree for Women in Energy. She was also invited to the White House related to the Obama administration’s Moonshot for Water Initiative and facilitated a White House delegation to Abu Dhabi. In 2017, Amanda was inducted into the Greater Houston Women’s Business Hall of Fame.

    Amanda was born in Swaziland and grew up in Zimbabwe. She completed her undergraduate degree in South Africa and earned her law degree at Louisiana State University, where she was a member of the Law Review and began her career as a lawyer at Vinson and Elkins.

  • D Bradley Childers

    D. Bradley Childers

    President & CEO

    Mr. Childers has served as our President and Chief Executive Officer since December 2011, after serving as our Interim President and Chief Executive Officer since November 2011. He also served as President, Chief Executive Officer and Chairman of the Board of Archrock GP LLC, the managing general partner of Archrock Partners, L.P., a master limited partnership in which we owned an equity interest (the “Partnership”) from November 2011 until the Partnership’s merger into a wholly-owned subsidiary of Archrock, Inc. in April 2018. Mr. Childers served as our Senior Vice President from August 2007 through November 2011. He served as an officer, including as President, North America of Exterran Energy Solutions, L.P., a predecessor subsidiary, from March 2008 through November 2011, and as Senior Vice President of the Partnership from June 2006 through November 2011. Mr. Childers joined Universal Compression Holdings, Inc., a predecessor company, in 2002 and served in a number of management positions, including as Senior Vice President and as President of the International Division of Universal Compression, Inc. (Universal’s wholly owned subsidiary). He held various positions with Occidental Petroleum Corporation (an international oil and gas exploration and production company) and its subsidiaries from 1994 to 2002. He also serves as an officer of certain other Archrock subsidiaries. Mr. Childers holds a B.A. from Claremont McKenna College and a J.D. from the University of Southern California.

  • Michael Dunkel

    Michael Dunkel

    Tetra Tech
    Energy, Water & Carbon Advisor
  • Trina Engels

    Trina Engels

    Talos Energy Inc.
    Director ESG

    Trina Engels is the Director of ESG for Talos Energy (NYSE:TALO) where she is leading sustainability initiatives, driving ESG communications and reporting efforts, and shaping the company’s energy transition strategy. Prior to joining Talos she held the position of ESG Director for NewTech Global Environmental where she advised private equity and small to mid-size energy companies along their ESG journey, developed strategic sustainability plans, and conducted emissions studies.

    With more the 24 years of experience in the energy industry, Engels has developed expertise working for both E&P and integrated companies such as Occidental Petroleum, Anadarko Petroleum, and ExxonMobil. Her previous roles include serving as Project Advancement and Planning Director, International and U.S. Commercial Engineering Advisor, Regulatory Engineering Manager, Production Manager, Corporate Strategic Planning Engineer, and various other engineering roles in both onshore shale and offshore conventional resource plays around the world. 

    Engels holds a Bachelor of Science degree in Civil Engineering from the University of South Florida, a Master of Science degree in Environmental Engineering from The University of Texas at Austin and is a Harvard Business School alumnus through their Executive Education Program. She has been a long standing member of the Society of Petroleum Engineers and evolved in numerous Gulf Coast Section committees over the years such as D&I, Scholarships, and Young Professionals.

  • matt gabriel

    Matt Gabriel

    XRI Holdings LLC

    Successful entrepreneur who has found and led several high-growth, innovative companies. Founded XRI to provide innovative water management and recycling solutions to the world’s most sophisticated energy companies.

  • John W Gibson

    John W. Gibson Jr.

    Flotek Industries
    Chairman of the Board, CEO & President

    John W. Gibson, Jr. joined Flotek Industries as Chairman of the Board of Directors, Chief Executive Officer and President, effective January 6, 2020. 

    John is a recognized leader with more than 35 years of global experience in the energy technology, oil and gas services and exploration and production sectors of the energy industry.

    John most recently served as Chairman of Energy Technology at Tudor, Pickering, Holt & Company (“TPH”), an energy-focused investment bank headquartered in Houston. In this role, he led a team focused on opportunities in emerging oil and gas technologies. Prior to TPH, Mr. Gibson served as President and Chief Executive Officer of Tervita Corporation (“Tervita”), a major Canadian-based environmental and oilfield services company. Prior to Tervita, he was President and Chief Executive Officer of Paradigm Geophysical and Landmark Graphics Corporation, as well as President of Halliburton Company’s Energy Services Group. Mr. Gibson also served as the former head of subsurface research at Chevron Corporation. 

    John currently serves as Senior Advisor to TPH, as well as Director Bluware Inc. He is a member of University of Houston’s Energy Advisory Board, University of Texas at Austin’s Bureau of Economic Geology Visiting Committee and the National Board of KickStart for Kids. He holds a Bachelor of Science in Geology from Auburn University and Master of Science in Geology from the University of Houston. 

  • Tara J. Hemmer

    Tara J. Hemmer

    Senior Vice President, Chief Sustainability Officer

    As the Chief Sustainability Officer for Waste Management, Tara Hemmer is responsible for growing sustainable service offerings, including recycling, renewable energy and organics. In addition, she oversees all environmental, social impact and governance initiatives. She was previously Senior Vice President, Field Operations for the southern part of North America, including oversight of collection, disposal, recycling and landfills. She is a member of the Company’s senior leadership team, led by Jim Fish, President and Chief Executive Officer.

    Hemmer joined the company in 1999 and progressed through various leadership roles across North America including Vice President of Disposal Operations, Area Vice President for the Greater Mid-Atlantic Area, and most recently Senior Vice President of Operations, Safety and Environmental Compliance. She also serves on the board of the Environmental Research and Education Foundation.

    Hemmer graduated from Cornell University with a Bachelor of Science in Civil and Environmental Engineering.

  • Vincent Higgins

    Vincent Higgins

    President - Oil and Gas Digitalization
  • Hillary H. Holmes

    Hillary H. Holmes

    Gibson, Dunn & Crutcher LLP
    Partner and Co-Chair Capital Markets

    Hillary Holmes is a partner in the global law firm Gibson, Dunn & Crutcher LLP and co-chair of the firm’s Capital Markets practice group. She advises corporations, banks and private equity firms on long-term and strategic capital raising. She also counsels boards of directors, special committees and financial advisors in M&A transactions and complex situations. She regularly advises companies on obligations under federal securities laws, corporate governance and ESG issues. 

    Known for her innovation, collaboration and solutions-oriented approach, Holmes is ranked among the leading business lawyers in the energy industry. She is the only woman to be recognized in the top tier by both Chambers USA and Chambers Global in the category that covers energy capital markets, and she has been recognized as a Capital Markets Trailblazer by The National Law Journal, a Most Effective Dealmaker by Texas Lawyer, a Woman Who Means Business by the Houston Business Journal, and received accolades from Legal 500, Law 360, LawDragon500, the Houston Bar Association, the Greater Houston Women’s Chamber of Commerce, and the National Association of Women Attorneys, among others. 

    Holmes received her Juris Doctorate from the University of Pennsylvania Law School and her Bachelor of Arts, cum laude, from Duke University. An advocate for equal access to legal services for all members of Houston’s community, she is a former member of the board of directors of Houston Volunteer Lawyers, a member of the board of directors of the Houston Bar Foundation and its finance committee, and she donates a significant amount of legal services to the community each year.

  • Will Jordan

    Will Jordan

    EQT Corporation
    Executive Vice President and General Counsel

    Will Jordan was appointed Executive Vice President and General Counsel in July 2019. Will served as an advisor to the Rice Investment Group from May 2018 until July 2019. Prior to that, he served as the Senior Vice President, General Counsel and Corporate Secretary of Rice Energy and Senior Vice President, General Counsel and Corporate Secretary of Rice Midstream Partners LP. From September 2005 through December 2013,Will practiced corporate law at Vinson & Elkins LLP representing public and private companies in capital markets offerings and mergers and acquisitions, primarily in the oil and natural gas industry. He is a graduate of Davidson College with a Bachelor of Arts in Mathematics and earned a Juris Doctorate from the Duke University School of Law.

  • Alisa Lukash energy esg hart energy

    Alisa Lukash

    Rystad Energy
    Vice President of Shale Research

    Alisa Lukash is a vice president on the North American Shale team, as well as a product manager of shale analytics and content manager of investor solutions. She specializes in analysis of oil and gas company finances, operational benchmarking and ESG.

    Prior to joining Rystad Energy, she worked as a market data consultant covering the global investment banks in London.

    Alisa holds a bachelor’s degree in international economics from Taras Shevchenko National University in Kiev and an master’s degree in finance from Hult International Business School in London.

  • Hart Energy Conferences Speaker Cynthia Mabry

    Cynthia M. Mabry

    Akin Gump Strauss Hauer & Feld LLP

    Cynthia Mabry concentrates her practice on capital markets, securities, mergers and acquisitions (M&A) and general corporate matters. She represents public and private entities, investors and underwriters in capital markets and finance transactions, including offerings of equity and debt securities.

    Cynthia also provides counsel on joint ventures, corporate governance and compliance matters.

    Cynthia has represented clients in a broad range of industries, including the energy, food and beverage, biotechnology and financial services industries. She is particularly experienced with clients engaged in the energy industry, including utilities, oil and gas exploration and production, midstream, oilfield services and other related sectors.

    As co-leader of the firm’s climate change group, Cynthia advises clients on governance structures and rapidly evolving legal issues related to climate change and environmental, social and corporate governance (ESG). Cynthia frequently writes and speaks about matters of climate change and ESG. 

    Prior to practicing law, Cynthia worked as a senior associate at PricewaterhouseCoopers in Houston.

  • Greg Matlock

    Greg Matlock

    Americas Energy Transition and Renewable Energy Leader

    Greg serves as the Americas Energy Transition and Renewable Energy Leader at EY. He helps domestic and international energy companies evaluate and capitalize on complex challenges and opportunities across their tax and finance functions.

    Based in Houston, Greg has experience in US federal income tax planning and structuring for business transactions involving partnerships and corporations, with an emphasis on energy investment. Leveraging his background as a lawyer and experience as a member of the EY Transactions team, Greg’s work with energy companies focused on partnership tax issues, public monetizations and more.

    Greg earned a BA in Finance from Michigan State University, an LLM in Taxation from New York University School of Law, and a JD from Western Michigan University’s Thomas M. Cooley Law School.

    How Greg is building a better working world

    “Energy companies’ tax and finance functions are navigating increasing resource, cost, and risk pressures alongside ever-changing regulatory, social, and market forces. I am proud to work alongside these companies to bring clarity to complex topics impacting their business today and tomorrow.”

  • Reid Morrison

    Reid Morrison


    Reid Morrison is a principal in PwC's Houston Office. He leads the Global Energy Advisory practice along and advises clients on ESG, net zero, and energy transition. He advises clients on strategies and initiatives to improve operational and commercial performance.

    Morrison has more than 25 years of consulting experience, and his projects have covered operating model restructuring, enterprise process redesign, M&A integration, supply chain, operational excellence, and refinery and upstream reliability and production improvements. He has worked in the energy industry both domestically and internationally in upstream and downstream (supermajors, NOC, and independents), biofuels and alternative/renewable energy, trading, midstream and pipelines, oilfield services, utility, chemicals, mining, and engineering and construction.

  • Lara Owens

    Lara Owens, Ph.D.

    Director of Science and Technology

    Lara Owens, Ph.D., is director of science and technology at MiQ, a not-for-profit climate tech start-up undertaking cutting-edge work to reduce methane emissions in the oil and gas sector.

    She is based in Boulder, Colo. Where she works for RMI, MiQ’s parent NGO, and directs several initiatives promoting credible tracking and visibility of greenhouse gas emissions from the oil & gas and landfill sectors.

    Lara oversees the development and calibration of the MiQ Standard to ensure it aligns with scientific emissions research, emissions quantification, testing protocols, and industry best practices. Lara’s team works closely with emerging methane detection and quantification tech providers to maximize emissions reductions in the MiQ Standard.

    She has more than 15 years’ experience working in the energy industry, focusing on exploration and development, renewable energy integration, carbon sequestration, environmental compliance, and operational efficiency.

    She holds an MSc and Ph.D. in Geochemistry from New Mexico Institute of Mining and Technology and a bachelor’s of science degree in Geosciences from Pennsylvania State University. She is a registered PG in the state of California.

  • Serena Rwejuna

    Serena Rwejuna

    White & Case

    Serena is a partner and helps lead the Energy Markets & Regulatory practice. As a member of the Energy, Infrastructure and Project Development and Finance Group of White & Case, Rwejuna's practice focuses on advising energy companies on a range of regulatory, compliance, administrative litigation, and enforcement issues. She also has experience with a variety of clean energy technologies, including solar, wind, hydro and waste-to-energy. She counsels utilities, generators, pipelines, natural gas distribution companies and other energy industry participants on compliance with Federal Energy Regulatory Commission (FERC) regulations, and advises them on project development, mergers and acquisitions, and administrative litigation and dispute resolution, and state regulatory compliance.

    She also has experience working with regulatory agencies such as the Commodity Futures Trading Commission (CFTC), the North American Electric Reliability Corporation (NERC), state public utility commissions (PUCs), and Regional Transmission Organizations (RTOs). Serena regularly counsels clients in high-stakes non-public and public audits, inquiries, investigations, and enforcement proceedings before these regulatory agencies.

    Serena also assists clients in a broad range of environmental, social and corporate governance (ESG) and energy transition matters. Serena is regularly invited to speak on issues related to ESG and Sustainability, Energy Transition, Enforcement and Compliance, and Diversity, Equity, Inclusion and Advancement (DEIA).

  • Ravi Srivastava cns resources

    Ravi Srivastava

    CNX Resources Corporation
    President, New Technologies

    Ravi Srivastava has served as the President, New Technologies of CNX Resources Corporation since Dec. 8, 2021. In this role, he is responsible for developing and commercializing emerging technology opportunities.

    Prior to this role, Srivastava served as the Vice President of Data Operations overseeing CNX’s data and digital transformation journey.

    He has an extensive tenure with CNX having served in a broad range of leadership roles including Engineering, Research & Development, Drilling and Production Operations, Production Engineering, Information Technology, and Data Science and Analytics.

    Srivastava graduated Summa Cum Laude with a bachelor’s degree in electrical engineering from Bluefield State College and holds master’s degrees in engineering management and business administration from Penn State University and MIT respectively.

  • Chris Treanor

    Christopher Treanor

    Akin Gump Strauss Hauer & Feld LLP